yann300
5 years ago
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@ -0,0 +1,20 @@ |
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'use strict' |
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import { canUseWorker } from './compiler-utils' |
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import { Compiler } from 'remix-solidity' |
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import CompilerAbstract from './compiler-abstract' |
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export const compile = async (compilationTargets, settings) => { |
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return await (() => { |
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return new Promise((resolve, reject) => { |
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const compiler = new Compiler(() => {}) |
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compiler.set('evmVersion', settings.evmVersion) |
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compiler.set('optimize', settings.optimize) |
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compiler.loadVersion(canUseWorker(settings.version), settings.compilerUrl) |
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compiler.event.register('compilationFinished', (success, compilationData, source) => { |
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if (!success) return reject(compilationData) |
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resolve(new CompilerAbstract(settings.version, compilationData, source)) |
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}) |
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compiler.event.register('compilerLoaded', _ => compiler.compile(compilationTargets, '')) |
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}) |
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})() |
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} |
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@ -0,0 +1,125 @@ |
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const ethutil = require('ethereumjs-util') |
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import * as packageJson from '../../../package.json' |
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import { Plugin } from '@remixproject/engine' |
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import { urlFromVersion } from './compiler-utils' |
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import { compile } from './compiler-helpers' |
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import globalRegistry from '../../global/registry' |
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import remixLib from 'remix-lib' |
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const profile = { |
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name: 'fetchAndCompile', |
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methods: ['resolve'], |
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version: packageJson.version |
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} |
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export default class FetchAndCompile extends Plugin { |
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constructor () { |
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super(profile) |
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this.unresolvedAddresses = [] |
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this.sourceVerifierNetWork = ['Main', 'Rinkeby', 'Ropsten', 'Goerli'] |
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} |
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/** |
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* Fetch compiliation metadata from source-Verify from a given @arg contractAddress - https://github.com/ethereum/source-verify
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* Put the artifacts in the file explorer |
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* Compile the code using Solidity compiler |
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* Returns compilation data |
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* |
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* @param {string} contractAddress - Address of the contrac to resolve |
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* @param {string} compilersartefacts - Object containing a mapping of compilation results (byContractAddress and __last) |
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* @return {CompilerAbstract} - compilation data targeting the given @arg contractAddress |
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*/ |
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async resolve (contractAddress, targetPath, web3) { |
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contractAddress = ethutil.toChecksumAddress(contractAddress) |
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const compilersartefacts = globalRegistry.get('compilersartefacts').api |
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const localCompilation = () => compilersartefacts.get('__last') ? compilersartefacts.get('__last') : null |
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const resolved = compilersartefacts.get(contractAddress) |
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if (resolved) return resolved |
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if (this.unresolvedAddresses.includes(contractAddress)) return localCompilation() |
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// sometimes when doing an internal call, the only available artifact is the Solidity interface.
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// resolving addresses of internal call would allow to step over the source code, even if the declaration was made using an Interface.
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let network |
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try { |
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network = await this.call('network', 'detectNetwork') |
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} catch (e) { |
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return localCompilation() |
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} |
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if (!network) return localCompilation() |
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if (!this.sourceVerifierNetWork.includes(network.name)) return localCompilation() |
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// check if the contract if part of the local compilation result
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const codeAtAddress = await web3.eth.getCode(contractAddress) |
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const compilation = localCompilation() |
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if (compilation) { |
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let found = false |
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compilation.visitContracts((contract) => { |
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found = remixLib.util.compareByteCode('0x' + contract.object.evm.deployedBytecode.object, codeAtAddress) |
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return found |
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}) |
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if (found) { |
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compilersartefacts.addResolvedContract(contractAddress, compilation) |
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setTimeout(_ => this.emit('usingLocalCompilation', contractAddress), 0) |
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return compilation |
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} |
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} |
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let name = network.name.toLowerCase() |
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name === 'main' ? 'mainnet' : name // source-verifier api expect "mainnet" and not "main"
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let data |
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try { |
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data = await this.call('source-verification', 'fetch', contractAddress, name.toLowerCase()) |
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} catch (e) { |
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setTimeout(_ => this.emit('sourceVerificationNotAvailable'), 0) |
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this.unresolvedAddresses.push(contractAddress) |
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return localCompilation() |
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} |
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if (!data || !data.metadata) { |
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setTimeout(_ => this.emit('notFound', contractAddress), 0) |
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this.unresolvedAddresses.push(contractAddress) |
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return localCompilation() |
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} |
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// set the solidity contract code using metadata
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await this.call('fileManager', 'setFile', `${targetPath}/${name}/${contractAddress}/metadata.json`, JSON.stringify(data.metadata, null, '\t')) |
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let compilationTargets = {} |
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for (let file in data.metadata.sources) { |
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const urls = data.metadata.sources[file].urls |
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for (let url of urls) { |
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if (url.includes('ipfs')) { |
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let stdUrl = `ipfs://${url.split('/')[2]}` |
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const source = await this.call('contentImport', 'resolve', stdUrl) |
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file = file.replace('browser/', '') // should be fixed in the remix IDE end.
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const path = `${targetPath}/${name}/${contractAddress}/${file}` |
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await this.call('fileManager', 'setFile', path, source.content) |
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compilationTargets[path] = { content: source.content } |
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break |
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} |
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} |
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} |
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// compile
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const settings = { |
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version: data.metadata.compiler.version, |
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languageName: data.metadata.language, |
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evmVersion: data.metadata.settings.evmVersion, |
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optimize: data.metadata.settings.optimizer.enabled, |
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compilerUrl: urlFromVersion(data.metadata.compiler.version) |
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} |
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try { |
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setTimeout(_ => this.emit('compiling', settings), 0) |
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const compData = await compile(compilationTargets, settings) |
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compilersartefacts.addResolvedContract(contractAddress, compData) |
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return compData |
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} catch (e) { |
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this.unresolvedAddresses.push(contractAddress) |
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setTimeout(_ => this.emit('compilationFailed'), 0) |
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return localCompilation() |
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} |
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} |
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} |
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